Telnet requirements:
on device that will be remotely accessible:
1 -interface IP address
2 -username+privilege 15+password
3 -access vty line 0 15
4 - login local (vty lines)
5 - transport output telnet (vty lines)
From device we will use for remote access:
1 -from enable mode (#) type the IP address of the device you will be accessing.
2 - enter the credentials of the username you will be using.
SSH requirements:
1 -interface IP address
2 -username and password
3-create a host name for remote device
4-have a domain name for the device set up
5- generate crypto keys for secure connection
6- access vty lines 0 15
7-login local
8-transport output ssh
ps I rushed this description. ill double check in a few hours to make sure i didnt miss nothing.